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Linton, Eric W.; Hittner, Dana; Lewandowski, Carole; Auld, Theresa; Triemer, Richard E. «A Molecular Study of Euglenoid Phylogeny using Small Subunit rDNA». The Journal of Eukaryotic Microbiology, 46, 2, 1999, pàg. 217–23. DOI: 10.1111/j.1550-7408.1999.tb04606.x. PMID: 10361741.
Gockel, Gabriele; Hachtel, Wolfgang; Baier, Susanne; Fliss, Christian; Henke, Mark «Genes for components of the chloroplast translational apparatus are conserved in the reduced 73-kb plastid DNA of the nonphotosynthetic euglenoid flagellate Astasia longa». Current Genetics, 26, 3, 1994, pàg. 256–62. DOI: 10.1007/BF00309557. PMID: 7859309.